Heron Bay Weather Forecast

    • 57
    • 89

    Sunny

    • 56
    • 89

    Mostly Sunny

    • 52
    • 78

    Partly Sunny

    • 50
    • 77

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

Today 19 Mar San Francisco Bay Shoreline

Sunny. Highs in the 80s to mid 90s. Northwest Winds 5 to 10 Mph.

Tonight 19 Mar San Francisco Bay Shoreline

Clear. Lows in the mid to upper 50s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heron Bay Temperature Statistics

March Temperature

Hayward, Hayward Air Terminal (3.1 miles)

  • Lowest 5 March, 2026

    44.7 °F

  • Average March

    59.5 °F

  • Highest 16 March, 2026

    82 °F

Climate (2021–Present)

Hayward, Hayward Air Terminal (3.1 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    59.4 °F

  • Average High 2021–2026

    68.9 °F
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